import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class helloWorld {
    public static void main(String[] args) throws IOException {
        System.out.println("hello hahahha");
        //在这个地方获取一下properties里面的内容
        Properties properties=new Properties();
        ClassLoader classLoader=ClassLoader.getSystemClassLoader();
        InputStream inputStream=classLoader.getResourceAsStream("aaa.properties");
        properties.load(inputStream);
        System.out.println(properties.getProperty("aaa"));
    }
}
